/*
 * @Author: Clark
 * @Email: haixuanwoTxh@gmail.com
 * @Date: 2023-01-04 14:02:39
 * @LastEditors: Clark
 * @LastEditTime: 2023-01-04 14:02:49
 * @Description: file content
 */

#include "apue.h"

int main()
{
    if (-1 == lseek(STDIN_FILENO, 0, SEEK_CUR))
    {
        printf("cannot seek\n");
    }
    else
    {
        printf("seek ok\n");
    }

    exit(0);
}
